import router from './router'
// import { resetRouter } from '@/router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login'] // no redirect whitelist

router.beforeEach(async (to, from, next) => {
  // start progress bar
  NProgress.start()

  // determine whether the user has logged in

  if (getToken()) {
    // set page title
    document.title = getPageTitle(to.meta.title)

    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done()
    }
    else {
      if (store.getters.name) { next() }
      else {
        // 获取个人信息
        store.dispatch('user/getInfo').then(async (res) => {
          if (res.status == 2) {
            await store.dispatch('user/getRouter').then(routers => {
              router.addRoutes(routers)
              if (to.redirectedFrom) router.replace(to.redirectedFrom);
              else next();
            })
          }
          next();
        })
          .catch((error) => {
            // remove token and go to login page to re-login
            store.dispatch('user/resetToken').then(() => {
              Message.error(error || 'Has Error')
              next({ path: '/' })
            })
          })
      }
    }
  }
  else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    }
    else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.fullPath}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
